Kensington RDS FM Transmitter/Auto Charger for iPod (Black) Plays your iPod wirelessly through your automobile's FM stereo, on any FM station, while simultaneously charging your iPod RDS function will digitize song information, such as song title and artist name Features Aerielle wireless technology for superior audio and noise filtration, and ClearFM circuitry for richer lows Compatible with iPod Nano (Gen 1,2); iPod (Gen 1,2,4) Includes on/off switch to prevent battery drain, a unique design to fit most hard-to-reach car power outlets